<?php
$server = "172.21.147.31";
$connectionInfo = array( "Database"=>"ss2g6", "UID"=>"ss2g6", "PWD"=>"group6", 'ReturnDatesAsStrings'=> true  );
$conn = sqlsrv_connect( $server, $connectionInfo );

if ($conn == false){
	 die( print_r( sqlsrv_errors(), true));
}

$params = array();
$options =  array( "Scrollable" => SQLSRV_CURSOR_KEYSET );

/* Update GET */
if(isset($_GET['update'])){
    $updateTradeName = $_GET['tradeName'];
	$updateCompanyName = $_GET['companyName'];
	$updatePharmacyName = $_GET['pharmacyName'];
	
    $sql = "SELECT * FROM Sells WHERE companyName = '$updateCompanyName' AND tradeName='$updateTradeName' AND pharmacyName='$updatePharmacyName'";
    $result = sqlsrv_query( $conn, $sql, $params, $options );
    $row = sqlsrv_fetch_array( $result, SQLSRV_FETCH_ASSOC);

    $updatePrice = $row['price'];    
}

/* Update POST*/
if(isset($_POST['Update'])){
    $updateCompanyNameOld = $_POST['companyNameOld'];
    $updateTradeNameOld = $_POST['tradeNameOld'];
    $updatePharmacyNameOld = $_POST['pharmacyNameOld'];
    $updatePriceOld = $_POST['priceOld'];

    $updateCompanyName = $_POST['companyName'];
    $updateTradeName = $_POST['tradeName'];
    $updatePharmacyName = $_POST['pharmacyName'];
    $updatePrice = $_POST['price'];
    
	/* check empty fields */
	if($updatePrice == ""){
		$validation_error_1 = true;
	}
	else {
		$validation_error_1 = false;
	}

    $sql = "UPDATE Sells SET companyName = '$updateCompanyName', tradeName = '$updateTradeName', pharmacyName = '$updatePharmacyName', price = '$updatePrice'";
    $sql = $sql . "WHERE companyName = '$updateCompanyNameOld' AND tradeName = '$updateTradeNameOld' AND pharmacyName = '$updatePharmacyNameOld' AND price = '$updatePriceOld'";
    
	if($validation_error_1 == false){
    $result = sqlsrv_query( $conn, $sql , $params, $options );
	if ($result == false){
		$error_update = true;
	}
	else{
		$error_update = false;
	}
    $confirm = "The Sells information is updated.";
	}
	else {
		$confirm = "";
	}
}


if(isset($_GET['delete'])){
	$tradeName = $_GET['tradeName'];
	$companyName = $_GET['companyName'];
	$pharmacyName = $_GET['pharmacyName'];
	$sql = "DELETE FROM Sells WHERE companyName = '". $companyName . "' AND tradeName='".$tradeName."' AND pharmacyName='".$pharmacyName."'";
	$params = array();
    $options =  array( "Scrollable" => SQLSRV_CURSOR_KEYSET );
    $result = sqlsrv_query( $conn, $sql, $params, $options );
		if ($result == false){
		$error = true;
	}
	else {
		$error = false;
	}
}

if(isset($_POST['Insert'])){
    $companyName = $_POST['companyName'];
    $tradeName = $_POST['tradeName'];
    $pharmacyName = $_POST['pharmacyName'];
    $price = $_POST['price'];
	
	/* check empty fields */
	if($price == ""){
		$validation_error = true;
	}
	else {
		$validation_error = false;
	}
	
    $sql = "INSERT INTO Sells VALUES ('$companyName', '$tradeName', '$pharmacyName', '$price')";
	
	if($validation_error == false){
    $result = sqlsrv_query( $conn, $sql , $params, $options );
	if ($result == false){
		$error_insert = true;
	}
	else{
		$error_insert = false;
	}
    $confirm = "The Sells information is inserted.";
	}
	else {
		$confirm = "";
	}
}

if (isset($_POST['submit'])){
    $sql1 = $_POST['query'];
}
else
{
    $sql = "SELECT * FROM Sells";
}
$stmt = sqlsrv_query( $conn, $sql , $params, $options );
?>

<? include 'html_head.php'; ?>

    <? include 'header.php'; ?>

    <div class="container-fluid">
      <div class="row-fluid">
        <div class="span2">
            <? include 'sidebar.php'; ?>
        </div><!--/span-->
        <div class="span9">
        <h2>Sells</h2>
        <hr>
<?
		if(isset($_GET['delete'])){
			if ($error){ ?>
				<div class="alert alert-error">
					<? echo "Error in deleting. Foreign Key constraint violated.<br />";?>
				</div>
				
			<? 
			} 
			else { ?>
				<div class="alert alert-success">
				<? echo "Data deleted successfully."?>
				</div>
				
			<?
			} 
		}?>
		
		<?
			if(isset($_POST['Update'])){
				$msg = "";
				if($validation_error_1){
					$msg = $msg . "No text fields can be empty except 'Data' ";
				}
				if(isset($error_update) && $error_update){
					$msg = "Data cannot be updated, foreign key constraints or triggers violated <br />";
				}
				
				if ($msg <> ""){ ?>
					<div class="alert alert-error">
						<? echo $msg; ?>
					</div>
				<?
				}else { ?>
					<div class="alert alert-success">
					<? echo $confirm;?>
					</div>
					
				<?
				} 
			}?>
		
        <?
			if(isset($_POST['Insert'])){
				$msg = "";
				if($validation_error){
					$msg = $msg . "No text fields can be empty except 'Data' ";
				}
				if(isset($error_insert) && $error_insert){
					$msg = "Data cannot be inserted, foreign key constraints or triggers violated <br />";
				}
				
				if ($msg <> ""){ ?>
					<div class="alert alert-error">
						<? echo $msg; ?>
					</div>
				<?
				}else { ?>
					<div class="alert alert-success">
					<? echo $confirm;?>
					</div>
					
				<?
				} 
			}?>
        <?
        
		if(sqlsrv_has_rows($stmt)){		
			$row_count = sqlsrv_num_rows($stmt);
            $colnames = sqlsrv_field_metadata($stmt)
		?>
		
		<table class="table table-striped table table-condensed">
		
		<thead>
			<tr>
			   <?
                    echo "<th>Company Name</th>";
					echo "<th>Trade Name</th>";
					echo "<th>Pharmacy Name</th>";
					echo "<th>Price($)</th>";
                ?>
			</tr>	
			</thead>
		<tbody>
		<?
			while( $row = sqlsrv_fetch_array( $stmt, SQLSRV_FETCH_ASSOC)){
        ?>
			<tr>
				<?
					foreach ($colnames as &$colname){
					$cellname = $colname['Name'];
					echo "<td>";
					if ($colname['Type'] == 93){
						$temp_date = explode(" ", $row[$cellname]);
						echo $temp_date[0];
					}
					else{
						echo $row[$cellname];
					}
					echo "</td>";
					}
					$tradeName = urlencode($row['tradeName']);
					$companyName = urlencode($row['companyName']);
					$pharmacyName = urlencode($row['pharmacyName']);
					echo "<td><a href='sells.php?delete=true&tradeName=" . $tradeName . "&companyName=" . $companyName . "&pharmacyName=" . $pharmacyName . "'>Delete</a></td>";
					echo "<td><a href='sells.php?update=true&tradeName=" . $tradeName . "&companyName=" . $companyName . "&pharmacyName=" . $pharmacyName . "#updates'>Update</a></td>";
				?>
			</tr>
		  
		<?
			}
		?>
		</tbody>
		</table>
		<?
		}
		else{
			echo "<h2>No records.</h2>";
		}
		?>
          <div class="row-fluid">
            <div class="span12">
            <!-- Update, appears only if update-->
            <? if (isset($_GET['update'])){ ?>
            <div>
                <a name="updates"></a><h3>Update Sells information:</h3> 
                <form method="post" action="sells.php" class="well form-horizontal">
                	
                	<input type="hidden" name="companyNameOld" value="<? echo $updateCompanyName; ?>" />
                    <input type="hidden" name="tradeNameOld" value="<? echo $updateTradeName; ?>" />
                    <input type="hidden" name="pharmacyNameOld" value="<? echo $updatePharmacyName; ?>" />
                    <input type="hidden" name="priceOld" value="<? echo $updatePrice; ?>" />                    
                	                	                    
                    <div class="control-group">
                        <label class="control-label">Company Name</label> 
                        <div class="controls">
                        	<? 
								$sql2 = "SELECT companyName FROM PharmaceuticalCompany order by companyName ASC";
								$result = sqlsrv_query($conn,$sql2);
								echo "<select name = 'companyName'>";
								while ($data=sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)){
									echo "<option ";
									if ($data['companyName'] == $updateCompanyName){
                                        echo "selected=selected";
                                    }
                                    echo ">";
									echo $data['companyName']; 
									echo "</option>";
								}
								echo "</select>";
							?>                       
                            <!-- <input type="text" name="companyName" id="companyName" placeholder="eg. Johnson and Johnson Pte Ltd" />-->
                            <span class="help-inline"><a href="pharmaceutical.php" target="_blank">Create new PharmaceuticalCompany</a></span>
                        </div>
                    </div>
                    <div class="control-group">
                        <label class="control-label">Trade Name</label>
                        <div class="controls">
                        	<? 
								$sql2 = "SELECT tradeName FROM Drug order by tradeName ASC";
								$result = sqlsrv_query($conn,$sql2);
								echo "<select name = 'tradeName'>";
								while ($data=sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)){
									echo "<option ";
									if ($data['tradeName'] == $updateTradeName){
                                        echo "selected=selected";
                                    }
                                    echo ">";
									echo $data['tradeName']; 
									echo "</option>";
								}
								echo "</select>";
							?>
                            <!--<input type="text" name="tradeName" id="tradeName" placeholder="eg. Xalatan" />-->
                            <span class="help-inline"><a href="drugs.php" target="_blank">Create new Drugs</a></span>
                        </div>
                    </div>
                    <div class="control-group">
                        <label class="control-label">Pharmacy Name</label>
                        <div class="controls">
                        	<? 
								$sql2 = "SELECT pharmacyName FROM Pharmacy order by pharmacyName ASC";
								$result = sqlsrv_query($conn,$sql2);
								echo "<select name = 'pharmacyName'>";
								while ($data=sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)){
									echo "<option ";
									if ($data['pharmacyName'] == $updatePharmacyName){
                                        echo "selected=selected";
                                    }
                                    echo ">";
									echo $data['pharmacyName']; 
									echo "</option>";
								}
								echo "</select>";
							?>
                            <!--<input type="text" name="pharmacyName" id="pharmacyName" placeholder="eg. Smith Pharmacy"/>-->
                            <span class="help-inline"><a href="pharmacy.php" target="_blank">Create new Pharmacy</a></span>
                        </div>
                    </div>
                    <div class="control-group">
                        <label class="control-label">Price($)</label>
                        <div class="controls">
                            <input type="text" name="price" id="price" value="<? echo $updatePrice?>"/>
                        </div>
                    </div>             
                    <div class="form-actions">
                        <input type="submit" name="Update" value="Update"  class="btn btn-primary"/>
                    </div> 
                    </form>

            </div>
            <? } ?>
            <h3>Create a new Sells information:</h3> 
                    <form method="post" action="sells.php" class="well form-horizontal">
                    <div class="control-group">
                        <label class="control-label">Company Name</label> 
                        <div class="controls">
                        	<? 
								$sql2 = "SELECT companyName FROM PharmaceuticalCompany order by companyName ASC";
								$result = sqlsrv_query($conn,$sql2);
								echo "<select name = 'companyName'>";
								while ($data=sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)){
									echo "<option>";
									echo $data['companyName']; 
									echo "</option>";
								}
								echo "</select>";
							?>                       
                            <!-- <input type="text" name="companyName" id="companyName" placeholder="eg. Johnson and Johnson Pte Ltd" />-->
                            <span class="help-inline"><a href="pharmaceutical.php" target="_blank">Create new PharmaceuticalCompany</a></span>
                        </div>
                    </div>
                    <div class="control-group">
                        <label class="control-label">Trade Name</label>
                        <div class="controls">
                        	<? 
								$sql2 = "SELECT tradeName FROM Drug order by tradeName ASC";
								$result = sqlsrv_query($conn,$sql2);
								echo "<select name = 'tradeName'>";
								while ($data=sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)){
									echo "<option>";
									echo $data['tradeName']; 
									echo "</option>";
								}
								echo "</select>";
							?>
                            <!--<input type="text" name="tradeName" id="tradeName" placeholder="eg. Xalatan" />-->
                            <span class="help-inline"><a href="drugs.php" target="_blank">Create new Drugs</a></span>
                        </div>
                    </div>
                    <div class="control-group">
                        <label class="control-label">Pharmacy Name</label>
                        <div class="controls">
                        	<? 
								$sql2 = "SELECT pharmacyName FROM Pharmacy order by pharmacyName ASC";
								$result = sqlsrv_query($conn,$sql2);
								echo "<select name = 'pharmacyName'>";
								while ($data=sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)){
									echo "<option>";
									echo $data['pharmacyName']; 
									echo "</option>";
								}
								echo "</select>";
							?>
                            <!--<input type="text" name="pharmacyName" id="pharmacyName" placeholder="eg. Smith Pharmacy"/>-->
                            <span class="help-inline"><a href="pharmacy.php" target="_blank">Create new Pharmacy</a></span>
                        </div>
                    </div>
                    <div class="control-group">
                        <label class="control-label">Price($)</label>
                        <div class="controls">
                            <input type="text" name="price" id="price" placeholder="eg. 10.50" />
                        </div>
                    </div>
                    <div class="form-actions">
                        <input type="submit" name="Insert" value="Insert"  class="btn btn-primary"/>
                    </div>
                    </form>
              <h3>Enter your query:</h3>
                    <form method="post" action="custom.php" class="well form-inline">
                    <div class="control-group">
                        <div class="controls">
                            <textarea name="query" class="span10" id="textarea" rows="5" placeholder = 'SQL query'></textarea>
                        </div>
                    </div>
                    <p>
                    <p><input type="submit" name="submit" class="btn btn-primary" href="#" /></p>
                    </form>
                    
            </div><!--/span-->
          </div><!--/row-->
        </div><!--/span-->
      </div><!--/row-->

<? include 'html_tail.php'; ?>
